发明授权
- 专利标题： Reactive dyes with a combination anchor
- 专利标题（中）： 具有组合锚的活性染料
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申请号： US09622919申请日： 2000-09-07
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公开(公告)号： US06410698B1公开(公告)日： 2002-06-25
- 发明人: Frank Prechtl , Manfred Patsch
- 申请人： Frank Prechtl , Manfred Patsch
- 优先权： DE19810906 19980313
- 主分类号： C09B6251
- IPC分类号： C09B6251
摘要：
The reactive dyes have the general formula I where n is 0 or 1, m is 0 or 1, Y is vinyl or a radical of the formula C2H4Q, where Q is an alkali-detachable group, L is C2-C6-alkylene with or without interruption by 1 or 2 nonadjacent oxygen atoms or 1 or 2 imino groups or is cyclohexylene, Hal is fluorine or chlorine, R1 is hydrogen or hydroxysulfonylmethyl, R2 is hydrogen or hydroxysulfonylmethyl, and R3 is carboxyl or hydroxysulfonyl and may also be hydrogen when R1 and/or R2 are each hydroxysulfonylmethyl.
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